Orthopedic recut instruments, related assemblies, kits methods, and systems

The orthopedic section guides with adjustable alignment pin holes and cam assemblies address the inefficiencies of current instruments by enabling precise knee tension assessment and reduced anesthesia time, enhancing surgical precision and implant longevity.

WO2026128400A1PCT designated stage Publication Date: 2026-06-18MICROPORT ORTHOPEDICS HOLDINGS INC
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
MICROPORT ORTHOPEDICS HOLDINGS INC
Filing Date
2025-12-08
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Current orthopedic instruments for knee arthroplasty lack precision and efficiency in achieving balanced tension in the reconstructed knee, often requiring bulky and non-ergonomic designs, longer operating times, and additional pin holes, while lacking a connection between objective balance measurements and coronal angle adjustments.

⚗Method used

Development of orthopedic section guides with adjustable alignment pin holes and cam assemblies that allow for precise tibial and femoral resections, enabling accurate gap balancing and reduced instrument complexity.

🎯Benefits of technology

Facilitates efficient and accurate assessment of knee tension during arthroplasty, reducing anesthesia time and improving implant longevity by allowing surgeons to achieve balanced tension with fewer instruments and simpler procedures.

✦ Generated by Eureka AI based on patent content.

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Abstract

An orthopedic resection guide (100), method of use, related assemblies, systems, and kits comprising generally a resection guide having: a body bounded by a superior side (S), inferior side (I), medial side (M), lateral side (L), anterior side (A), and posterior side (P); a resection surface (105) defined by the body (102), the resection slot (105) extending anteroposteriorly along the body (102); a first placement pin hole (110a) disposed in and extending anteroposteriorly through the body (102); a first alignment pin hole (130a) disposed in and extending anteroposteriorly through the body (102), wherein the first alignment pin hole (130a) is disposed more medially or more laterally than the first placement pin hole (110a), and more superiorly or more inferiorly than the first placement pin hole (130a); and a second alignment pin hole (110b) disposed in and extending anteroposteriorly through the body (102), the second alignment pin hole (110b). (FIG. 1).
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